Schlüter-KERDI-LINE-G3  Complete set for horizontal linear drainage

The linear drainage set KERDI-LINE-G3, which complies with BS EN 1253 and BS EN 274, stands out for its drain capacity of 0.45 l/s (single outlet) and 0.80 l/s (dual outlet) and water seal of 50 mm. The overall height of the unit is 78 mm and it is available in intermediate/central or wall/perimeter positions.


Schlueter©Schlüter-Systems KG
Schlueter©Schlüter-Systems KG
Schlueter©Schlüter-Systems KG
Schlueter©Schlüter-Systems KG
Schlueter©Schlüter-Systems KG
Schlueter©Schlüter-Systems KG
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General product information

What this product does

Set includes:

  • Corner seal (for upright wall connection)
  • Channel body with sealing collar
  • Odour seal
  • EPDM gasket
  • Drain body
  • Channel support

Note: for installation with a suspended timber floor with the preformed tray KERDI-SHOWER-LTS, we recommend the installation accessory KERDI-LINE-F-G3, a timber accessory set for installing the drainage channel KERDI-LINE-G3.

Specifically designed to simplify drainage from tiled showers and wet rooms – whether a new build or refurbishment project. Use in conjunction with the Schlüter-KERDI system components and other Schluter products to provide a fully waterproofed integrated system solution, as per ETAG 022 (watertight covering kits).

  • Overall height = 78mm
  • Horizontal outlet – 40mm ID/43mm OD solvent weld, easily converted to 50mm
  • Pre-applied Schluter-KERDI waterproofing collar
  • ‘Shutter’ gate clamp secures O-ring, creating a tight seal
  • Air tightness as per Building Regulations
  • Intermediate/central or wall/perimeter installation positions
  • Choice of 8 channel lengths, 500mm to 1200mm in 100mm increments
  • Central, offset or dual outlet options B

How to install this product

There are three methods of installation:

  • Installation with a preformed shower tray
  • installation with a screeded shower fall
  • Installation in a suspended timber floor and preformed shower tray

Please refer to the three installation instruction documents in the downloads tab.

What this product is made from

The channel bodies to a length of 120 cm are made of formed stainless steel V4A (material no. 1.4404 = AISI 316L). The channel bodies have an adhesive flange with a pre-adhered KERDI collar. This material is a waterproofing membrane of soft polyethylene with a special fleece fabric laminated on both sides.

Depending on the type, the drain bodies are made of high-impact resistant acrylonitrile butadiene styrene (ABS).

The odour trap is made of acrylonitrile butadiene styrene (ABS).

The channel support is made of high impact resistant, expanded polystyrene (EPS).

Material properties and areas of application

The channel bodies, frames and grates are classified as K3 according to DIN EN 1253, Gullies for buildings. This class refers to areas without vehicle traffic, e.g. wetrooms in apartments, nursing homes, hotels, schools, and public washroom and shower facilities.

Channel bodies, frames and grates are suitable for wheelchair traffic.

KERDI-LINE in the brushed stainless steel V4A version (material no. 1.4404 = AISI 316L) is especially suitable for applications requiring resistance against chemical exposure and high mechanical stresses.

Even stainless steel of quality 1.4404 is not resistant to all chemical stresses such as hydrochloric and hydrofluoric acid or certain chloride and brine concentrations.

In certain cases, this also applies to seawater pools. The suitability of a proposed floor drain system must be verified based on the anticipated chemical, mechanical and/or other stresses. Aggressive cleaning products should not be used.

How to look after this product

The set includes a special cleaning brush with instructions for simple periodic cleaning of the odour trap and the channel body.

All cleaning agents must be free of hydrochloric and hydrofluoric acid.

Avoid contact with other metals, such as regular steel, to prevent corrosion. This also includes installation tools such as trowels or steel wool, e.g. for the removal of mortar residue.

Do not use abrasive cleaning agents on the sensitive surfaces (especially for EP = polished stainless steel).

We recommend the use of the stainless steel cleaning polish Schlüter-CLEAN-CP.

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